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Effect of the parameters of weld toe geometry on the FAT class as obtained by means of fracture mechanics-based simulations

Schork, B. ; Zerbst, Uwe ; Kiyak, Y. ; Kaffenberger, M. ; Madia, M. ; Oechsner, M. (2020)
Effect of the parameters of weld toe geometry on the FAT class as obtained by means of fracture mechanics-based simulations.
In: Welding in the World : The International Journal of Materials Joining, 64 (6)
doi: 10.1007/s40194-020-00874-7
Artikel, Bibliographie

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Kurzbeschreibung (Abstract)

The fracture mechanics-based IBESS approach is applied to the determination of FAT classes of butt welds with crack initiation along the weld toe. The aim is an investigation of the effect of the geometrical parameters toe radius, flank angle, reinforcement and secondary notches such as roughness or undercuts. The influence of these parameters is discussed both individually and in combination; however, excluding statistical distributions of them and the material data. The results, when compared with conventional FAT classes for butt welds, are encouraging with respect to a potential contribution of IBESS to the discussion of more advanced quality criteria for welds. To that purpose, demands for further research are proposed.

Typ des Eintrags: Artikel
Erschienen: 2020
Autor(en): Schork, B. ; Zerbst, Uwe ; Kiyak, Y. ; Kaffenberger, M. ; Madia, M. ; Oechsner, M.
Art des Eintrags: Bibliographie
Titel: Effect of the parameters of weld toe geometry on the FAT class as obtained by means of fracture mechanics-based simulations
Sprache: Englisch
Publikationsjahr: Juni 2020
Ort: Berlin ; Heidelberg
Verlag: Springer
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Welding in the World : The International Journal of Materials Joining
Jahrgang/Volume einer Zeitschrift: 64
(Heft-)Nummer: 6
DOI: 10.1007/s40194-020-00874-7
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Kurzbeschreibung (Abstract):

The fracture mechanics-based IBESS approach is applied to the determination of FAT classes of butt welds with crack initiation along the weld toe. The aim is an investigation of the effect of the geometrical parameters toe radius, flank angle, reinforcement and secondary notches such as roughness or undercuts. The influence of these parameters is discussed both individually and in combination; however, excluding statistical distributions of them and the material data. The results, when compared with conventional FAT classes for butt welds, are encouraging with respect to a potential contribution of IBESS to the discussion of more advanced quality criteria for welds. To that purpose, demands for further research are proposed.

Freie Schlagworte: Weld toe geometry, Fatigue crack initiation, FAT class approach, Fracture mechanics
Sachgruppe der Dewey Dezimalklassifikatin (DDC): 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften und Maschinenbau
Fachbereich(e)/-gebiet(e): 16 Fachbereich Maschinenbau
16 Fachbereich Maschinenbau > Fachgebiet und Institut für Werkstoffkunde - Zentrum für Konstruktionswerkstoffe - Staatliche Materialprüfungsanstalt Darmstadt (IfW-MPA)
Hinterlegungsdatum: 29 Apr 2024 05:53
Letzte Änderung: 29 Apr 2024 05:53
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